SpringBoot(四) 整合jdbcTemplet
阿新 • • 發佈:2018-12-11
1、pom中加入資料庫和jdbcTemplet的依賴
<!-- 資料庫 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.21</version> </dependency> <dependency> <groupId>oracle</groupId> <artifactId>ojdbc</artifactId> <version>1.4</version> </dependency> <!-- jdbcTemplate --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency>
2、在application.properties中加入如下的配置資料庫的連線資訊
#mysql #spring.datasource.driver-class-name=com.mysql.jdbc.Driver #spring.datasource.url=jdbc:mysql://localhost:3306/boottest?useUnicode=true&characterEncoding=utf-8&useSSL=false #spring.datasource.username=root #spring.datasource.password= spring.datasource.driver-class-name=oracle.jdbc.OracleDriver spring.datasource.url=jdbc:oracle:thin:@172.31.1.70:1521:SGY spring.datasource.username= spring.datasource.password=
3、編寫jdbcTemplet的類即可,本例如下:
查詢:jdbcTemplate.query 返回指定類的集合 增刪改 jdbcTemplate.update 返回整型
package com.zw.dao; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Repository; import com.zw.domain.Student; @Repository public class StudentTemplet { @Autowired private JdbcTemplate jdbcTemplate; public Student getStudentById(String id) { String sql = "select * from student where id = ?"; // List<User> list = jdbcTemplate.query("select * from tb_user", new Object[]{}, new BeanPropertyRowMapper(User.class)); // jdbcTemplate.update("insert into tb_user(username, age, ctm) values(?, ?, ?)", // user.getUsername(),user.getAge(), new Date()); // jdbcTemplate.update("UPDATE tb_user SET username = ? , age = ? WHERE id=?", // user.getUsername(),user.getAge(), id); // jdbcTemplate.update("DELETE from tb_user where id = ? ",id); List<Student> students = jdbcTemplate.query(sql,new Object[]{id}, new BeanPropertyRowMapper(Student.class)); return (students!=null&& students.size()>0) ? students.get(0):null; } public int updateStudentById(Student stu) { String sql = "UPDATE student SET name = ? , score = ? WHERE id=?"; int a = jdbcTemplate.update(sql,stu.getName(),stu.getScore(),stu.getId()); return a; } }
4、在其他的serviceimpl中注入templet類即可
@Autowired
private StudentTemplet studentTemplet;
5、啟動啟動類,編寫介面測試即可。